Excise duty refund on revised pricing mechanism allowed where excess duty was paid and unjust enrichment was not established.

Where excise duty was paid on clearances made at a pre-revised price under a known price variation mechanism, refund of the excess duty was held admissible under Section 11B of the Central Excise Act, 1944 even though the assessment was not described as provisional, because the duty paid exceeded the liability arising after the revised price structure and the refund was filed within time. The bar of unjust enrichment was also held inapplicable where verification records showed that the locomotives were used within the Railways, no cash payment was involved, and the duty incidence had not been passed on. The refund rejection was set aside and consequential relief granted.

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Issues: (i) whether refund of excess excise duty paid on clearances made at a pre-revised price was admissible when the transfer price was later reduced under a known price variation mechanism; (ii) whether the bar of unjust enrichment applied to the refund claim.

Issue (i): whether refund of excess excise duty paid on clearances made at a pre-revised price was admissible when the transfer price was later reduced under a known price variation mechanism.

Analysis: The clearances were made at a price fixed on the basis of the Pricing Committee's recommendations and the variation in price was known in advance to the revenue. When the price was later reduced, excess duty had been paid at the time of clearance. The claim was examined under Section 11B of the Central Excise Act, 1944, and the fact that the assessment had not been described as provisional did not defeat the claim where the duty paid exceeded the liability ultimately arising from the revised price structure and the refund was filed within time.

Conclusion: The refund claim was maintainable and the appellant was entitled to refund of the excess duty.

Issue (ii): whether the bar of unjust enrichment applied to the refund claim.

Analysis: The record contained a verification report from the Range Officer stating that the locomotives were used within the Railways, that no cash payment was involved, and that only book adjustment was made through inter-railway transfer transactions. On those facts, the authorities below were required to act on the existing verification material, which showed that the incidence of duty had not been passed on and that no unjust enrichment arose on the refunds claimed for the relevant period.

Conclusion: The bar of unjust enrichment did not apply, and the appellant satisfied the requirement for refund.

Final Conclusion: The impugned rejection of refund was set aside and the refund claim was allowed with consequential relief.

Ratio Decidendi: Where excise duty is paid on clearances made under a known price variation mechanism and the price is later reduced, refund of the excess duty is admissible under Section 11B of the Central Excise Act, 1944, and unjust enrichment is not attracted when the incidence of duty is not passed on, as evidenced by the transaction structure and verification record.

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